Epilobium
spike-primrose, willow-herb, willow-weed
Specimens
Photos
Origin: Native
Conservation Status: Not of concern
Description:
[none provided]
Accepted Name:
Epilobium
Synonyms & Misapplications:
Boisduvalia [HC]
Species in Epilobium:
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Epilobium anagallidifolium – alpine willow-herb, pimpernel willow-herb
Alaska to California, east to the Rocky Mountains, also in northeastern North America; circumboreal. -
Epilobium brachycarpum – autumn willow-herb, tall annual willow-herb Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains, northern Great Plains, and Great Lakes region.
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Epilobium campestre – smooth willow-herb Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains and northern Great Plains.
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Epilobium ciliatum – ciliate willow-herb, Watson's willow-herb Widely distributed on both sides of the Cascades crest in Washington. Alaska to California, east across most of North America to the Atlantic Coast.
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Epilobium clavatum – talus willow-herb Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Alberta, Montana and Colorado.
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Epilobium densiflorum – dense-flower willow-herb Occurring on both sides of the Cascades in Washington; Vancouver Island, British Columbia to Baja California, east to Montana, Utah, and Arizona.
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Epilobium glaberrimum – smooth willow-herb Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.
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Epilobium glandulosum – ciliate willow-herb Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, also across southern Canada and the northern U.S. to the Atlantic Coast.
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Epilobium hallianum – glandular willow-herb, Hall's willow-herb Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains and northern Great Plains.
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Epilobium hirsutum – codlins-and-cream, fiddle grass, great willow-herb, hairy willow-herb Occurring on both sides of the Cascades crest in Washington; southern British Columbia to Oregon; also in upper central and northeastern North America.
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Epilobium hornemannii – Hornemann's willow-herb Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains and northern Great Plains; also in eastern North America; circumboreal.
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ssp. hornemannii – Hornemann's willow-herb Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains and northern Great Plains; also in eastern North America; circumboreal.
- Epilobium komarovianum – bronzy willow-herb
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Epilobium lactiflorum – white-flower willow-herb Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, also in eastern North America; circumboreal.
- Epilobium lanceolatum
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Epilobium leptocarpum – slender-fruit willow-herb Occurring in scattered locations on both sides of the Cascades crest in Washington; Alaska to Oregon, east to Alberta and Idaho.
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Epilobium leptophyllum – bog willow-herb Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Montana; also in eastern North America, where native.
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Epilobium luteum – yellow willow-herb Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Alberta.
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Epilobium minutum – California willow-herb, chaparral willow-herb, small-flowered willow-herb Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Alberta, Montana, Utah, and Arizona.
- Epilobium mirabile – Olympic Mountain willow-herb Occurring west of the Cascades crest in the Olympic and North Cascades mountains in Washington; southern British Columbia to northern Washington, east to Alberta.
- Epilobium montanum – broad-leaved willow-herb
- Epilobium nummulariifolium
- Epilobium obscurum – dwarf willow-herb Occurring west of the Cascades crest in Washington; southwestern British Columbia to western Washington; also in the Great Lakes region.
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Epilobium oregonense – Oregon willow-herb Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Montana, Wyoming, and Arizona.
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Epilobium palustre – marsh willow-herb Occurring on both sides of the Cascades crest in Washington; Alaska east to California, east to the Rocky Mountains, Great Lakes region, and the Atlantic coast;.
- Epilobium smithii – talus willow-herb Occurring in the Cascades and Olympic Mountains in Washington; British Columbia to Washington east to Alberta and in Montana; disjunct in Utah.
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Epilobium torreyi – brook willow-herb Occurring east of the Cascades crest in Washingtpn; southwestern British Columbia to California, east to Idaho and Nevada.
Additional Resources:
PNW Herbaria: Specimen records of Epilobium in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Epilobium checklist entry
OregonFlora: Epilobium information
E-Flora BC: Epilobium atlas page
CalPhotos: Epilobium photos
539 photographs:
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